DNSP-11 vs Semax
Limited Research vs Well Studied
synergistic Complementary neurotrophic pathways; Semax acts via BDNF upregulation while DNSP-11 targets dopaminergic neuroprotection through GDNF-related mechanisms.
Molecular Data
DNSP-11 Semax
Weight ~1200 Da 813.93 Da
Half-life Not well characterized 0.5-2 hours
Chain 11 amino acids 7 amino acids
Type GDNF pro-domain derived peptide ACTH(4-10) synthetic analog
Key Benefits
DNSP-11
01 Protects dopaminergic neurons from neurotoxic insults
02 Stimulates dopamine production via tyrosine hydroxylase upregulation
03 Smaller molecule with improved bioavailability compared to full GDNF
04 Does not require GFRalpha1/RET receptor complex for activity
05 Preclinical evidence for neuroprotection in Parkinson's disease models
06 Compatible with intranasal and subcutaneous administration
Semax
01 Rapid brain delivery via intranasal route
02 Rapidly increases BDNF levels
03 Extensive clinical research in Russia
04 Easy self-administration
05 Modulates dopamine and serotonin systems
06 Neuroprotective effects
Dosing Protocols
DNSP-11
100-200mcg per day / 1x daily (morning recommended)
General neuroprotection 100-200mcg 1x daily
Semax
300-600mcg per dose (up to 1000mcg for intensive use) / 1-2x daily (morning recommended for cognitive boost)
Research protocol 500-750mcg 1x daily
Intensive protocol 750-1000mcg 1-2x daily
Side Effects
DNSP-11
Nasal irritation or mild burning sensation (intranasal route)
Injection site reactions such as redness or swelling (subcutaneous route)
Semax
Mild nasal discomfort (nasal route)
Possible nasal sensation upon administration
Contraindications
Pregnancy or breastfeeding
Known peptide allergies
Very limited human safety data; use at own risk
Consult a physician before combining with dopaminergic medications
Pregnancy or breastfeeding
Known peptide allergies
Do not exceed 4-week continuous use without medical supervision
Research Evidence
DNSP-11 Semax
Status Limited Research Well Studied
References 4 studies 5 studies
Latest 2014 2025
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.